Finding the Fourth Proportional to 37,665.42, 56,429.24 and 17,638.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,665.42 : 56,429.24 = 17,638.16 : x
2. Step 2: Convert to fraction form
   37,665.42/56,429.24 = 17,638.16/x
3. Step 3: Cross multiply
   37,665.42x = 56,429.24 × 17,638.16
4. Step 4: Simplify right side
   37,665.42x = 995,307,963.80
5. Step 5: Solve for x
   x = 995,307,963.80/37,665.42
6. Step 6: Final answer
   x = 26,424.98